Santa Clara County property record for 5245 Hellyer Ave, San Jose, CA 95138
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 59,316 sqft · built 2000 |
| Lot Size | 6.21 acres (270,594 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $646,002 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 679-05-009 |
| Primary APN | 679-05-009 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 59,316 sqft Total Area |
| Elevator | Elevator |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 270,594 sqft |
| Cooling System | HVAC |
|---|
| Street Address | 5245 HELLYER AVE |
|---|---|
| City | SAN JOSE |
| State | CA |
| Zip | 95138-1002 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | IP |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3017 |
| Census Tract | 512001 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 5245 HELLYER AVE, SAN JOSE, CA 95138-1002 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | San Jose City |
| Secondary School District | East Side Union High School District (09 - 12) |
| Elementary School District | Oak Grove Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $51,105,373 (+17.03%) Land $5,800,927 Building $45,304,446 | |
| 2025 | $646,002.00 | |
| 2023 | $43,669,661 Land $5,466,345 Building $38,203,316 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SAN JOSE - EVG/EDV/COY serves 99,783 people · EPA ID CA4310020 |
|---|---|
| Water Source | Purchased surface water from SANTA CLARA VALLEY WATER DISTRICT |
| Last State Inspection | Jul 2024 |
| Also Mapped Here | GREAT OAKS WC INC |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 42 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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